feat: add named_buffer_{data_size,sub_data_u8_slice} #350

	name: CI

	on:
	push:
	branches-ignore: [staging.tmp]
	pull_request:
	branches-ignore: [staging.tmp]

	jobs:
	build:
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	build: [pinned, stable, beta, nightly, macos, windows]
	include:
	- build: pinned
	os: ubuntu-latest
	rust: 1.61.0
	sdl: true
	- build: stable
	os: ubuntu-latest
	rust: stable
	sdl: true
	- build: beta
	os: ubuntu-latest
	rust: beta
	sdl: true
	- build: nightly
	os: ubuntu-latest
	rust: nightly
	sdl: true
	- build: macos
	os: macos-latest
	rust: stable
	sdl: false
	- build: windows
	os: windows-latest
	rust: stable
	sdl: false
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	- name: Install toolchain
	uses: actions-rs/toolchain@v1
	with:
	toolchain: ${{ matrix.rust }}
	override: true
	profile: minimal
	target: wasm32-unknown-unknown
	- run: cargo build --verbose
	- run: cargo build --verbose --target wasm32-unknown-unknown
	env:
	RUSTFLAGS: --cfg=web_sys_unstable_apis
	- run: cargo test --verbose
	- run: (cd examples/hello && cargo build --features glutin)
	- run: (cd examples/hello && cargo build --target wasm32-unknown-unknown)
	- name: sdl
	if: ${{ matrix.sdl == true }}
	run: \|
	sudo apt-get -qq update
	sudo apt-get -qq install libsdl2-dev
	cargo build --verbose
	(cd examples/hello && cargo build --features sdl2)
	- name: android
	if: matrix.build == 'stable'
	run: \|
	rustup target add aarch64-linux-android armv7-linux-androideabi x86_64-linux-android
	cargo build --verbose --target aarch64-linux-android
	cargo build --verbose --target armv7-linux-androideabi
	cargo build --verbose --target x86_64-linux-android

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